180115005506 has 16 divisors (see below), whose sum is σ = 272023921728. Its totient is φ = 89440638000.

The previous prime is 180115005493. The next prime is 180115005517. The reversal of 180115005506 is 605500511081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300016 + ... + 1431876.

It is an arithmetic number, because the mean of its divisors is an integer number (17001495108).

Almost surely, 2^180115005506 is an apocalyptic number.

180115005506 is a deficient number, since it is larger than the sum of its proper divisors (91908916222).

180115005506 is a wasteful number, since it uses less digits than its factorization.

180115005506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136537.

The product of its (nonzero) digits is 6000, while the sum is 32.

Adding to 180115005506 its reverse (605500511081), we get a palindrome (785615516587).

The spelling of 180115005506 in words is "one hundred eighty billion, one hundred fifteen million, five thousand, five hundred six".